| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [be] [verb] that | 1849 |
|
| 2 | [conj] it [be] [vb pp] that | 1810 |
|
| 3 | [conj] it [be] known [conj] | 89 |
|
| 4 | [conj] it [be] know that | 86 |
|
| 5 | [conj] [pron] [be] known that | 85 |
|
